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Standards GB are Chinese national standards, which are issued by China's Standardization Administration Office (SAC).
Chinese national standards are used all over China commonly labeled as GB standards. They determine the united production requirements regarding product safety and quality .
GB standards are often modified or created according to the international standards of ISO, IEC or any other international level.
Although, they are largely harmonized, GB standards may differ from international standards .
Approximately 15% of all GB standards are obligatory and they can be identified according to the prefix GB, after which the code of the standards follows:
GB – Obligatory national standards
GB/T – Optional national standards
GB/Z – National steering technical document
Industrial helium
WITHDRAWN published on 30.12.2011
Selected format:Determination of trace hydrogen,oxygen,methane and carbon monoxide in the inert gases - Gas chromatographic method
WITHDRAWN published on 30.12.2011
Selected format:Determination of hazardous materials in air separation process - Part 1: Determination of hydrocarbons
WITHDRAWN published on 30.12.2011
Selected format:Bench drilling machines--Parameters
WITHDRAWN published on 31.3.1989
Selected format:Bench drilling machines—Parameters
WITHDRAWN published on 10.11.2003
Selected format:Vertical drilling machines--Parameters
WITHDRAWN published on 31.3.1989
Selected format:Vertical drilling machines—Parameters
WITHDRAWN published on 10.11.2003
Selected format:75% Acephate water soluble powders
WITHDRAWN published on 30.12.2011
Selected format:Gibberellic acid water soluble powders
WITHDRAWN published on 30.12.2011
Selected format:3% Gibberellic acid emulsifiable concentrates
WITHDRAWN published on 30.12.2011
Selected format:Latest update: 2026-09-08 (Number of items: 2 300 134)
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